766110379897 has 4 divisors (see below), whose sum is σ = 766237922176. Its totient is φ = 765982837620.

The previous prime is 766110379883. The next prime is 766110379963. The reversal of 766110379897 is 798973011667.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-766110379897 is a prime.

It is a super-2 number, since 2×766110379897² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766110376897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63762129 + ... + 63774142.

It is an arithmetic number, because the mean of its divisors is an integer number (191559480544).

Almost surely, 2^766110379897 is an apocalyptic number.

It is an amenable number.

766110379897 is a deficient number, since it is larger than the sum of its proper divisors (127542279).

766110379897 is a wasteful number, since it uses less digits than its factorization.

766110379897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127542278.

The product of its (nonzero) digits is 24004512, while the sum is 64.

The spelling of 766110379897 in words is "seven hundred sixty-six billion, one hundred ten million, three hundred seventy-nine thousand, eight hundred ninety-seven".